Math(Please help)

186,076 results, page 78

MATH! PLEASE REPLY ASAP!

OPQRS is a regular square-pyramid whose base has sides of 7 cm. Given that the total surface area of the pyramid is 161 cm2, find its slant height.

math

how do you write seven names for 8.Using only numbers less than 10,and using at least three different opperations in each name.(ALSO USE PARENTHESES FOR TWO OF YOUR ANSWERS) I NEED HELP ON THIS!! please and thank you

math algebra

not sure about this can someone please help me solve for x using the addition principle x+10=-13 Now I added 10 to both sides 10 + 10 that gives me 20 then I added -13 +10 = -3 my x is the 20 or did I mess this problem up all the way around?

Math

compound and interest Using the below values please calculate the amount accumulated (future value) *Initial principal=$2000 *Interest Rate=9% *Number of years 7 *Monthly compounding

Math

compound and interest Using the below values please calculate the amount accumulated (future value) *Initial principal=$2000 *Interest Rate=9% *Number of years 7 *Monthly compounding

Math

compound and interest Using the below values please calculate the amount accumulated (future value) *Initial principal=$2000 *Interest Rate=9% *Number of years 7 *Monthly compounding

Math

I'm in Calculus AP and we are learning about limits. I'm having trouble with finding limits algebraically. So here's a sample that you can use to help explain this to me. Find the limit of lim x (arrow to the right) 1 x-1/x(squared)-1. Please help!

math

A right triangle with sides in the ratio 3:4:5 has one side length of 60. What are the possible lengths of the other sides? (My teacher asked for a "let x represent" statement here but I'm not sure how to do that... is there a way? If so, please, do tell~)

Math: Calculus

Assume that a population size at time t is N(t) and that N(t)=40 x 2^t , t>0. Show that N(t)=40e^t ln2 Can someone please guide me step by step on this question? Im really confused. thanks. I tried to work it out, and this is what I got. N(t)= 40 x 2^t = 40 x ln 2^t = 40 x ...

math

Referring to the figure, think about first picking a card and then rolling the die. Give the probability in simplest form. P(A, 1) = ____ the figure has 1 A,2 B, 3 C, and a 6 side cube. i am confused with this problem.. please help?

3 grade math ms sue

1-Two shapes can be put together in different ways. using the triangles in exercise 1,draw pictures to show an example. my son need help in here please help my son thank you

Math

out of these variables which would and would not follow normal distribution. shoe size height age GPA model year of car how many friends on face book Please explain why..thanks

math

my daughter is working on 5n + 2n - (3-10N) can someone walk me through how to solve problems like this I have not been in school in over 20yrs. I think you have to work () first? but really do not know HELP please thank you

Math. test tomorrow. help!

In 1960, the population was 291000. In 1970, the population was 480000. Assuming exponential growth, what is the annual percent rate? and doubling time? The answers are 5.13% and 14 years. I do not know how to get this though :( Please help!

College Math

i'm having trouble calculating this. can someone help please? A $7,000, 4%, 120-day note, dated March 20, is discounted on July 15. Assuming a 3% discount rate, the bank discount is: a) $1.74 b) $1.77 c) $7.11 d) $17.68 e) None of these .

math

a 3 cm by 3 cm by 3 cm cube is painted all over its outside and is then cut into 27 smaller cubes. How many of these small cubes have paint on more than one face? please explain how you work it out,thanks

Math (PreAlgebra) 8thG

Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. V = (4/3)3.14(r)^3 = (formula) I don't know what to do about the fraction, four over three (4/3), in the formula.... Show me how to do this please?

math

I am helping my daughter and I need help on this question in the number 57,733 contains two sets of digits in which one digit is ten times as great as the other what are the values of the digits in each set help please!!!!

Math (Geometry)

Give one example of how to solve for a missing side, given 1 side (59 ft) and 1 reference angle (35 degrees) solving with the variable in the numerator. Please help and show as much work as possible!

Math

Find the equation for the exponential function that passes through the pairs of points given. Through (-1,2) and (3,1). I don't know if this is the right way to work this or what the next step is i am just very confused. Please help, thank you! y=Ab^x 2=Ab^1 1=Ab^3 2=(1/b^3)=b...

Math Help Please

ABC Company is about 1614 feet tall. How long would it take an object falling freely from the top to reach the ground? Use a = 16t^2 I would appreciate any help. ^_^

Math

I have an assignment and it is Compare Estimated Quotients. Estimate each quotient. Then write < or > in the circle to compare each pair of estimates. Please let me know how I would begin estimating decimal division? 76.3 divded by 8 and 37.6 divided by 7

Math

72 oz=? lbs First I divided 16 from 72 and got 5 remainder 2. Then I turned it into a mixed fraction as: 5 2/6 When I got this I was truly stumped. Either I did the steps wrong or I am missing a step or I just don't know what to do next. HELP ME PLEASE:) :(

Math

When the cylinder of the answer diameter 60cm rolls at a speed of 5 revolutions per second, moving speed (s What m / min Is Just C pi of the cylindrical the (Ï€) is calculated as 3.14, the first decimal place Please rounding.

math

I need help with composite solids involving pythagereom theorem. like how to solve it, what to do first, HOW TO FIND THE AREA OF BASE OF PRISM, etc can you please help me for this, cubes with cylinders in it, and a cone on a cylinder. i need help on those

Math (Please help)

a rectangular tank 28cm long and 18cm wide was filled with water to a dept of 7cm. When 12 marbles were added the level rose to 12cm. Find the average volume of the 12 marbles.

Math

How high does the satellite have to be in order to see two cities at the same time if the cities are 2250 mi apart? (Round your answer to the nearest mile I thought it was 225 but I was wrong please help

Math

Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and rolling a number cube? Let head be H and tail be T. 1.) H-1, H-2, H-3, H-4, H-5, H-6 2.) H-1, T-1, H-2, T-2, H-3, T-3, H-4, T-4, H-5, T-5, H-6, T-6 3.) H-1, H-2, H-3, T-4, T-...

Math

A engine for a car can be manufactured in a factory every 35 minutes. The factory starts production at 8:45 and stops at 16:55. (i) Find the number of engines that can be produced in a single working day. I really need help on how to do it!!! Please!!

math, please somebody help me

Given the function f(x) = x4 , and suppose g(x) is some other function of x. (a) Then the function F(x) = (g(x))^4 is the same thing as ... a. f '(g(x)) · g'(x) b. f(g(x)) c. f '(x) d. f '(g(x)) e. g(f(x)) (b) By either the extended power or the chain rule, we have F '(x) = a...

Math - Algebra

Simplify and solve for x=2 and y=5. Please remember to group like terms. 1. 3x - 2y + 4x -3y 2. y + x - y - x 1. 3x2 - 2x5 + 4x2 - 3x5 6 - 10 + 8 - 15 2. 5+2-5-2 7-5+2 yah i think that's how to solve it, basically sub in the x and ys and solve

Math

Rewrite each expression using the indicated property. (x+7)+3, Associate Property 5(3)+5(4), Distributive Property I'm in middle school and my teacher gave those problems and I don't understand. Can someone help me please? Thanks!

math 7th grade

what is the change in temp when the thermometer reading moves from the 1st temp to the 2nd temp. 20degree F to -10 degress F.Please explain to me how you get the answer for future problems.

math

one bag contains 3/5 kg of corn a farmer feeds his chickens 4 bags of corn each week. how amny kilograms of corn do they eat each day. anwer in fractions please

math

if sin theta equals 3/5 and theta is second quadrant angle find tan 2 theta.my ans. was 3.442 but is wrong can you correct and show work please. thank you so much.

math

use properties of logarithms to condense the loarithmic expression. write expression as a sinle logarithm whose coefficient is 1. where possible evaulate the expression. 1/8[3 In(x+5)-In x-In(x^2-4)] Please show work

Math - Please Help

The surface area of a right circular cylinder is 1200 cm^2 . If the height of the cylinder is twice its diameter, find the dimensionsof the cylinder. I know th formula for SA is SA = 2pir^2 + 2pirh I know h = 2d. I know r = 1/2 d What is h in relations to r? Is is 4r?

MATH

A ladder is 25 ft long. The ladder needs to reach to a window that is 24 ft above the ground. How far away from the building should the bottom of the ladder be placed? Please show work.

Math ( Polynomial )

If the polynomial, x^4 - 6x^3 + 16x^2 - 25x + 10 is divided by another polynomial x^2 - 2x + k, the remainder comes out to be x + a, find k + a, please work the complete solution instead of giving simply an answer.

math

what is 10^3 ( )9^2 ( )190 = 10. i try to work it out;( 1000 - 190 ) divided by 190 = 10 But when i think about BODMAS then i do not know how to choose the correct operation to make this statment true,can u help me please ,thanks

Math

Two minor league basebal players got a total of 396 hits. Washington has 8 more hits than sanchez. Find the number of hits for each player. Please help!

5th grade math

Name the compatible numbers used to find the estimate. 1. 725/19 estimate:35 2. 3,641/34 estimate:120 Please show me how to work out these problems.

Math 222

Please help me solve these two Rational Expressions? Sorry my addition sign does not work on my keyboard, so that is why I am using the word "plus". 1). g^2-6g-55 __________ g 2). k^3 plus k ___________ k^2 plus k-42

math

Is there Distribute Property of Division over addition or subtraction? I have all ready have the information for Multiplication and can you please help as soon as possible as I have a test on this tomorrow!! Thank you.

Math

The graph of a rational function has a local maxima at (-1,0) and (8,0). The complex number 2+3i is a zero of the function. What is the least possible degree of the function? I know The correct answer is 6. I need help with the explanation please.

Math

So far this year, Trans-Global Shipping has been forced to lay off 91 people. That number is 30% more than were let go last year. How many workers lost their jobs last year? Please help me

MATH!!!!!!

Roger purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Sam purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts have the same price and all the cookies have the same price. Find the cost of one doughnut and ...

math

can someone check my answers please add -3/5 +(8/35) = -13/35 find the reciprocal of 1/3 (9-4)= 5/3 subtract 7/9-(-13/18)=3/2 find the reciprocal of -1/9(-9-3)=4/3

math need help please

Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

math need help please

Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

math

I don't understand how to simplify this. Please help! (1-2cos^2ө)/ (sin ө-cosө) + cotө

5th grade Math

A tanker can hold 40,000 kL, OR 40,000 L OR 40,000 mL? I chose 40,000 kL Please advise, Thank you

MATH

Which function Is even? a. f(x) = √x - 3 b.f(x) = 3√x c. f(x) = |x| + 4 I keep getting neither even or odd. HELP PLEASE...

Math(Please check answer)

Simplify each expression. 1)(sqrt7 + 5)(sqrt7 -6) My answer is sqrt 7 - 30 Am I correct?

math 8

what is the meaning of order if y=x is to the order of 1 then what is the order for y=sin x ANSWER: is that also the order of one please explain.

Math

Simplify: x4 −4x3 −27x+108 ---------------- x3 −3x2 −16x+48 PLEASE!

math(rate of change)

find the average rate of change f(x)=x^2 + 2x between x=0 and x=6 can anyone please help me explain why the answer is 8? thank you!

math

When m is divided by 7, the remainder is 2. What is the remainder when 4m is divided by 7? Please give me an explanation and not just the answer! Thankss:)

Math

Can someone please walk me through this? i don't want the answer..........just a walk through. Quiz tommorrow. 2 + 5(9x - 6) = 14

math

i need to complete a venn diagram using the numbers 20-35 please help me drawing a venn diagram.

math

how do i find the percent of a component in a mixture given the amount of compound and the amount of mixture c=3g,m=8g please help thank you

Math

Find the co-ordinates of a point on the y-axis which is equidistant from (9-3,5) and (2,3). What formula do I use to find these co-ordinates? please and thank you

Math

Find the co-ordinates of a point on the y-axis which is equidistant from (9-3,5) and (2,3). What formula do I use to find these co-ordinates? please and thank you

math- surface and volume

If volume increases by 60%, how much does the surface increase by? Please show work.

seventh grade math

if 1/2 in. = 1/3 feet then how many feet is 27 inches please someone help me ................ its drawn to scale the 27 inches

Math :/

Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F? Please help, I have no idea!

math

8 sandwiches cost $1.44,how much will 13 cost show answer and steps to reach answer please!!!!!!!!!!!!!!!!!!!!!!!!!

math

If twenty percent of the students play in the band and the band has forty members, how many students are there? Please help me

math

how do you solve this can you do this with the steps do I an understand them,please. (square root start) 4x-8 (square root end)=-8

Math Ms. Sue please

1. What is the product of (-6.8)^2? -13.6 46.24 -46.24 13.6 2. Find the product. 5/10 * 10/3 23/6 -5/7 -7/5 5/3 3. Find the quotient. 3/7 ÷ 1/2 3/14 6/7 13/14 4/7 4. Simplify the expression. 3/4 ÷ 2/5 3/10 23/22 15/8 5/9 My answers: 1. 46.24 2. 5/3 3. 6/7 4. 15/8

Math

A table is on sale for 26% off. Sale price is $407. What is the regular price? Need help with this please

Math

An equilateral triangle is inscribed in a circle. Each side of the triangle has length x. What is the area of the circle? Please help

Math

The difference between two polynomials is (5x+3).One of the two polynomials is (4x+1-3x^2). What is the other polynomial? Please help! Thank you

extreme math help please

The data in the table illustrate a linear function. What is the slope of the linear function. x |0|2|4|6| y|-5|-2|1|4| Thank you

Math

Perimeter of 50 2/4 inches. What is my width? Length is 15 1/4 inches. Please help I have to find the width and I don't understand

Math

The peremiter of a garden of 110 inches with the width of 20 inches. What is the area of the garden? Please shoe me how to do this

Math

1. The length of the hypotenuse of a 30-60-90 triangle is 7. Find the perimeter. A) 7/2+21/2 sqrt 3 B) 21+7 sqrt 3 C) 7+21 sqrt 3 D) 21/2 + 7/2 sqrt 3 Could someone please help me, I don't know how to do this. Thank you!

Math (PLEASE HELP!)

The function g(x) is a transformed image of the graph of f(x)=2^x. Write the equation of the transformed function g(x) in the form g(x)= b^x-h+k. f(x) (0,1) (2,4) g(x) (-1,2) (-3,-1)

Math

If each side of a square is increased by 50%, the area of the square is increased by A)50% B)100% C)125% D)225% help please!!!!!!!!!!

MATH HELP PLEASE ASAP

A line segment has end points of (4, -4) and (0, 5). What are the coordinates of the midpoint of this line segment? A) (2, 1/2) B) (-2, -9/2) C) (4, 1/2) D) (8, -13)

Math

Please check my answers 1. Which ordered pair is a solution of y=x-4? My answer is B (0, -3) 4.Which equation has (2,-1) as a solution My answer is D y=-2x+1

math problem

Please help me do this problem 2(x+3)-3

math

how to solve (x ^2-1)/(x+1)-x ho can I solve to a -1. Please help

Math(Please help)

what would 8^2/3 be. 2^3 = 8 so would it be 2?

MATH HELP PLEASE!

(sqrt(ln(x)))/(ln sqrt(x))=6

MATH HELP PLEASE!

(sqrt(ln(x)))/(ln sqrt(x))=6

physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...

physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...

Chemistry - pH

Calculate the pH of each of the following solutions: a) .35 M hydrochloric acid, HCl b) .35 M acetic acid, HC2H3O2 c) .35 M sodium hydroxide, NaOH Can someone please explain to me how to calculate the pH in a way that is easy to understand? I am confused. Could you please do ...

Vectors

Could you please help me solve this question: Solve this system of equations using elementary operations. 1. x/3 + y/4 + z/5 =14 2. x/4 + y/5 + z/3 =-21 3. x/5 + y/3 + z/4 =7 So far, I have multiplied all three equations by 60, to turn them into whole numbers. Then everytime I...

Engineering Kinematic

The particle travels along the path defined by the parabola y=0.5(x^2). If the component of velocity along the x-axis is v=5t [m/s], determine the particle's distance from the origin and the magnitude of its acceleration when t=1s. The initial condition is t=0, x=0 and y=0. ...

art

Can someone please help me find some information on this sculputre: A Young Woman of Trastévère, by Charles Cordier ? I have to write a few pages about it, but I can't find much about this piece online. Google isn't giving many results either. Please help me!

marketting ,,,,,,please help me asap

please is any one can hel me to answer this question as soon as possible thanks a lot. question in the subject marketing. 1.what distribution decisions would a new firm RENTS VANS to small business, seasonal business have to make?

Science

Can someone please help me please thank you. Climate change is an environmental issue in the news almost daily, and air pollution impacts us on a global level. What are the implications of global warming? Do you think the efforts to improve air quality are worth the economic ...

Biology please help anybody!

there's this a level question in a ten-year series book in 2008, the question asks what is the sequence in which it occurs: 1. polyadenylation 2. removal of introns 3. splicing exons 4. capping And the options given are: a) 1,3,2,4 b) 2,4,1,3 c) 3,1,4,2 d) 4,2,3,1 I've looked ...

Spanish-Please check my work

Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking

Chemistry(Please help)

Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = -log(H30+) but I am not sure how to start this problem. Chemistry(Please help) - DrBob222, Saturday, April 14, 2012 at 11:09pm Hydrolyze the CO3^2-. CO3^- + HOH ==> HCO3^- + OH^- Do an ...

Probability

If X is a normal random variable with mean 11, and if the probability that X is less than 12.10 is .72 , then what is the standard deviation of X? Select one: a. 3.00 b. 6.25 c. 2.50 d. 1.25 Please note that the answer for the above is stated as c.2.50. However, my answer ...

8th grade reading ! please help !

I have a presentation due tomorrow on a connection that I made with the Anne Frank Remembered novel but I cant think of an item that I can connect to the novel.. I need help. It has to be one paragraph about the connection and it can be a song,poem,or object. Please help me !

Algebra please explain

A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks

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